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GF 9950-10 Six Channel Transmitter
Setting to ON prevents relays from activating while making adjustments or calibrating.
Relays in PULSE mode will suspend pulsing. 4 to 20 mA outputs are held until the user exits the CAL
menu or turns it OFF. Press the
►
arrow, using the
▲
or
▼
to select OFF/ON. Press ENTER to save.
Default = OFF
Select AT SENSOR to perform calibration using the GF 2751-2 sensor electronics.
Select AT INSTRUMENT to perform calibrations at the 9950 using the 3-2751-1, 3-2751-3, or 3-2751-4
electronics. (Refer to ORP Calibration procedures, page 73).
Default = AT INSTRUMENT
(CAL AT INSTRUMENT only) Press
►
to start the EasyCal process.
You will be prompted to enter your password.
(Refer to ORP EasyCal procedure, page 73)
(CAL AT INSTRUMENT only) Applies a linear offset to the ORP measurement. For two-point calibrations,
assign the min or max value of your process to ORP STANDARD.
(Refer to ORP Calibration procedures, page 73)
(CAL AT INSTRUMENT only) Applies a slope to the ORP measurement. The ORP SLOPE is used for two-
point calibration along with the ORP STANDARD. If you applied the min value of your process to the ORP
STANDARD, then apply the max value to the ORP SLOPE. Also, apply the min value to the ORP SLOPE.
The slope value and the standard value must be at least 80 mV apart. (Refer to ORP Calibration, page 73)
(CAL AT INSTRUMENT only) Resets calibration to factory settings. After pressing
►
, select YES/NO.
Enter date of calibration (MM-DD-YYYY) and initials of calibrator (XX)
Press ENTER to start assigning sensors to each channel.
Use the
▲
and
▼
arrow to go to any of the six channels directly.
NOTE: Display only available when the 9950 is in FACTORY mode.
Press the
►
arrow, use the
▲
and
▼
arrow to select which TYPE of sensor will be assigned to the
channel(s) (1-6).
Choose ORP, press ENTER to save sensor type.
Press the
►
arrow, using the
▲
or
▼
to select the input source to the channel.
Sources list will only contain ORP sensors or modules.
To change sensor selection after it's been assigned, change the source to NONE, then the sensors can
be reassigned.
English, French, German, and Spanish Only. If desired, a custom name can be entered.
Enter 17-character string.
Default = ORP
Dampens display, output and relay response rates.
Select Low, Med, High, OFF.
Default = OFF
NOTE:
GF Strongly recommends leaving Averaging OFF for pH, ORP, and Pressure measurements.
INPUT Menu
CHANNEL 2
NAME
CH 2 ORP
CUST CE
OFF
L CONST
AVERAGE
ORP
CH 2 ORP
HOLD OUTPUTS
OFF
CH 2 ORP
CAL
CH 2 ORP
CUST CELL CONST
EASYCAL ->
CH 2 ORP
ORP STANDARD ->
SET
CH 2 ORP
ORP SLOPE ->
°
SET
F
CH2 ORP
RESET ORP CAL ->
AVERAGE
CH2 ORP
12-31-2015 XX
LAST CAL
AT INSTRUMENT
ORP
CAL Menu
CH2 FACTORY
FACTORY
TYPE
CH2 ORP
NONE
SOURCE
SETUP
CHANNEL 2
ENTER